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/* |
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* Copyright (C) 2003-2007 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: main.c,v 1.305 2007/06/15 17:02:38 debug Exp $ |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <time.h> |
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#include <unistd.h> |
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#include "console.h" |
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#include "cpu.h" |
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#include "debugger.h" |
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#include "device.h" |
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#include "diskimage.h" |
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#include "emul.h" |
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#include "machine.h" |
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#include "misc.h" |
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#include "settings.h" |
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#include "timer.h" |
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#include "useremul.h" |
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extern int single_step; |
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extern int force_debugger_at_exit; |
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extern int optind; |
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extern char *optarg; |
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struct settings *global_settings; |
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int extra_argc; |
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char **extra_argv; |
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char *progname; |
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size_t dyntrans_cache_size = DEFAULT_DYNTRANS_CACHE_SIZE; |
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int native_code_translation_enabled = 0; |
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int skip_srandom_call = 0; |
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/***************************************************************************** |
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* |
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* NOTE: debug(), fatal(), and debug_indentation() are not re-entrant. |
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* The global variable quiet_mode can be used to suppress the output |
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* of debug(), but not the output of fatal(). |
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* |
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*****************************************************************************/ |
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int verbose = 0; |
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int quiet_mode = 0; |
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static int debug_indent = 0; |
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static int debug_currently_at_start_of_line = 1; |
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/* |
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* va_debug(): |
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* |
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* Used internally by debug() and fatal(). |
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*/ |
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static void va_debug(va_list argp, char *fmt) |
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{ |
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char buf[DEBUG_BUFSIZE + 1]; |
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char *s; |
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int i; |
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buf[0] = buf[DEBUG_BUFSIZE] = 0; |
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vsnprintf(buf, DEBUG_BUFSIZE, fmt, argp); |
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s = buf; |
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while (*s) { |
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if (debug_currently_at_start_of_line) { |
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for (i=0; i<debug_indent; i++) |
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printf(" "); |
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} |
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printf("%c", *s); |
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debug_currently_at_start_of_line = 0; |
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if (*s == '\n' || *s == '\r') |
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debug_currently_at_start_of_line = 1; |
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s++; |
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} |
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} |
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/* |
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* debug_indentation(): |
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* |
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* Modify the debug indentation. |
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*/ |
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void debug_indentation(int diff) |
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{ |
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debug_indent += diff; |
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if (debug_indent < 0) |
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fprintf(stderr, "WARNING: debug_indent less than 0!\n"); |
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} |
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/* |
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* debug(): |
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* |
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* Debug output (ignored if quiet_mode is set). |
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*/ |
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void debug(char *fmt, ...) |
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{ |
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va_list argp; |
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if (quiet_mode) |
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return; |
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va_start(argp, fmt); |
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va_debug(argp, fmt); |
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va_end(argp); |
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} |
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/* |
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* fatal(): |
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* |
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* Fatal works like debug(), but doesn't care about the quiet_mode |
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* setting. |
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*/ |
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void fatal(char *fmt, ...) |
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{ |
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va_list argp; |
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va_start(argp, fmt); |
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va_debug(argp, fmt); |
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va_end(argp); |
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} |
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/*****************************************************************************/ |
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/* |
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* internal_w(): |
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* |
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* For internal use by gxemul itself. |
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*/ |
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void internal_w(char *arg) |
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{ |
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if (arg == NULL || strncmp(arg, "W@", 2) != 0) { |
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fprintf(stderr, "-W is for internal use by gxemul," |
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" not for manual use.\n"); |
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exit(1); |
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} |
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arg += 2; |
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switch (arg[0]) { |
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case 'S': |
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console_slave(arg + 1); |
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break; |
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default: |
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fprintf(stderr, "internal_w(): UNIMPLEMENTED arg = '%s'\n", |
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arg); |
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} |
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} |
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/*****************************************************************************/ |
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/* |
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* usage(): |
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* |
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* Prints program usage to stdout. |
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*/ |
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static void usage(int longusage) |
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{ |
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printf("GXemul"); |
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#ifdef VERSION |
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printf(" " VERSION); |
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#endif |
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printf(" Copyright (C) 2003-2007 Anders Gavare\n"); |
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printf("Read the source code and/or documentation for " |
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"other Copyright messages.\n"); |
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printf("\nusage: %s [machine, other, and general options] [file " |
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"[...]]\n", progname); |
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printf(" or %s [general options] @configfile\n", progname); |
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printf(" or %s [userland, other, and general options] file " |
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"[args ...]\n", progname); |
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if (!longusage) { |
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printf("\nRun %s -h for help on command line options.\n", |
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progname); |
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return; |
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} |
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printf("\nMachine selection options:\n"); |
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printf(" -E t try to emulate machine type t. (Use -H to get " |
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"a list of types.)\n"); |
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printf(" -e st try to emulate machine subtype st. (Use this " |
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"with -E.)\n"); |
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printf("\nOther options:\n"); |
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printf(" -C x try to emulate a specific CPU. (Use -H to get a " |
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"list of types.)\n"); |
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printf(" -d fname add fname as a disk image. You can add \"xxx:\"" |
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" as a prefix\n"); |
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printf(" where xxx is one or more of the following:\n"); |
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printf(" b specifies that this is the boot" |
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" device\n"); |
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printf(" c CD-ROM\n"); |
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printf(" d DISK\n"); |
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printf(" f FLOPPY\n"); |
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printf(" gH;S; set geometry to H heads and S" |
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" sectors-per-track\n"); |
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printf(" i IDE\n"); |
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dpavlin |
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printf(" oOFS; set base offset to OFS (for ISO9660" |
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" filesystems)\n"); |
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printf(" r read-only (don't allow changes to the" |
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" file)\n"); |
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printf(" s SCSI\n"); |
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printf(" t tape\n"); |
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dpavlin |
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printf(" V add an overlay\n"); |
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dpavlin |
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printf(" 0-7 force a specific ID\n"); |
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dpavlin |
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printf(" -I hz set the main cpu frequency to hz (not used by " |
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dpavlin |
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"all combinations\n of machines and guest OSes)\n"); |
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dpavlin |
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printf(" -i display each instruction as it is executed\n"); |
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dpavlin |
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printf(" -J disable dyntrans instruction combinations\n"); |
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dpavlin |
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printf(" -j name set the name of the kernel; for DECstation " |
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"emulation, this passes\n the name to the bootloader," |
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" for example:\n"); |
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printf(" -j netbsd (NetBSD/pmax) " |
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"-j bsd (OpenBSD/pmax)\n"); |
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printf(" -j vmsprite (Sprite/pmax) " |
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"-j vmunix (Ultrix/RISC)\n"); |
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printf(" For other emulation modes, if the boot disk is an" |
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" ISO9660\n filesystem, -j sets the name of the" |
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" kernel to load.\n"); |
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dpavlin |
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printf(" -M m emulate m MBs of physical RAM\n"); |
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printf(" -N display nr of instructions/second average, at" |
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" regular intervals\n"); |
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printf(" -n nr set nr of CPUs (for SMP experiments)\n"); |
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printf(" -O force netboot (tftp instead of disk), even when" |
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" a disk image is\n" |
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" present (for DECstation, SGI, and ARC emulation)\n"); |
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dpavlin |
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printf(" -o arg set the boot argument, for DEC, ARC, or SGI" |
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" emulation\n"); |
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printf(" (default arg for DEC is -a, for ARC/SGI -aN)\n"); |
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dpavlin |
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printf(" -p pc add a breakpoint (remember to use the '0x' " |
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"prefix for hex!)\n"); |
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printf(" -Q no built-in PROM emulation (use this for " |
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"running ROM images)\n"); |
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printf(" -R use random bootstrap cpu, instead of nr 0\n"); |
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printf(" -r register dumps before every instruction\n"); |
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printf(" -S initialize emulated RAM to random bytes, " |
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"instead of zeroes\n"); |
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dpavlin |
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printf(" -s f:name write statistics to file 'name', " |
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"f is one or more of the following:\n"); |
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printf(" v virtual program counter\n"); |
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printf(" p physical equivalent of program counter\n"); |
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printf(" i internal ic->f representation of " |
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"the program counter\n"); |
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printf(" and optionally:\n"); |
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printf(" d disable statistics gathering at " |
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"startup\n"); |
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printf(" o overwrite instead of append\n"); |
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dpavlin |
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printf(" -T halt on non-existant memory accesses\n"); |
291 |
dpavlin |
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printf(" -t show function trace tree\n"); |
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printf(" -U enable slow_serial_interrupts_hack_for_linux\n"); |
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#ifdef WITH_X11 |
294 |
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printf(" -X use X11\n"); |
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printf(" -x open up new xterms for emulated serial ports " |
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dpavlin |
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"(default is on when\n using configuration files or" |
297 |
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" when X11 is used, off otherwise)\n"); |
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dpavlin |
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printf(" -Y n scale down framebuffer windows by n x n times\n"); |
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#endif /* WITH_X11 */ |
300 |
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printf(" -Z n set nr of graphics cards, for emulating a " |
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"dual-head or tripple-head\n" |
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" environment (only for DECstation emulation)\n"); |
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printf(" -z disp add disp as an X11 display to use for " |
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"framebuffers\n"); |
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printf("\nUserland options:\n"); |
307 |
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printf(" -u emul userland-only (syscall) emulation (use -H to" |
308 |
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" get a list of\n available emulation modes)\n"); |
309 |
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310 |
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printf("\nGeneral options:\n"); |
311 |
dpavlin |
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printf(" -b enable native code generation, if available\n"); |
312 |
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printf(" -B disable native code generation (this is " |
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"the default)\n"); |
314 |
dpavlin |
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printf(" -c cmd add cmd as a command to run before starting " |
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"the simulation\n"); |
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dpavlin |
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printf(" -D skip the srandom call at startup\n"); |
317 |
dpavlin |
2 |
printf(" -H display a list of possible CPU and " |
318 |
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"machine types\n"); |
319 |
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printf(" -h display this help message\n"); |
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dpavlin |
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printf(" -k n set dyntrans translation caches to n MB (default" |
321 |
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" size is %i MB)\n", DEFAULT_DYNTRANS_CACHE_SIZE / 1048576); |
322 |
dpavlin |
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printf(" -K force the debugger to be entered at the end " |
323 |
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"of a simulation\n"); |
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printf(" -q quiet mode (don't print startup messages)\n"); |
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printf(" -V start up in the single-step debugger, paused\n"); |
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printf(" -v verbose debug messages\n"); |
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printf("\n"); |
328 |
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printf("If you are selecting a machine type to emulate directly " |
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"on the command line,\nthen you must specify one or more names" |
330 |
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" of files that you wish to load into\n" |
331 |
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"memory. Supported formats are: ELF a.out ecoff srec syms raw\n" |
332 |
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"where syms is the text produced by running 'nm' (or 'nm -S') " |
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"on a binary.\n" |
334 |
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"To load a raw binary into memory, add \"address:\" in front " |
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"of the filename,\n" |
336 |
dpavlin |
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"or \"address:skiplen:\" or \"address:skiplen:initialpc:\".\n" |
337 |
dpavlin |
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"\nExamples:\n" |
338 |
dpavlin |
4 |
" 0xbfc00000:rom.bin for a raw ROM image\n" |
339 |
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" 0xbfc00000:0x100:rom.bin for an image with " |
340 |
dpavlin |
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"0x100 bytes header\n" |
341 |
dpavlin |
4 |
" 0xbfc00000:0x100:0xbfc00884:rom.bin " |
342 |
dpavlin |
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"start with pc=0xbfc00884\n\n"); |
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dpavlin |
2 |
} |
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345 |
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346 |
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/* |
347 |
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* get_cmd_args(): |
348 |
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* |
349 |
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* Reads command line arguments. |
350 |
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*/ |
351 |
dpavlin |
4 |
int get_cmd_args(int argc, char *argv[], struct emul *emul, |
352 |
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char ***diskimagesp, int *n_diskimagesp) |
353 |
dpavlin |
2 |
{ |
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int ch, res, using_switch_d = 0, using_switch_Z = 0; |
355 |
dpavlin |
24 |
int using_switch_e = 0, using_switch_E = 0; |
356 |
dpavlin |
2 |
char *type = NULL, *subtype = NULL; |
357 |
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int n_cpus_set = 0; |
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int msopts = 0; /* Machine-specific options used */ |
359 |
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struct machine *m = emul_add_machine(emul, "default"); |
360 |
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|
361 |
dpavlin |
24 |
char *opts = |
362 |
dpavlin |
42 |
"bBC:c:Dd:E:e:HhI:iJj:k:KM:Nn:Oo:p:QqRrSs:TtUu:VvW:" |
363 |
dpavlin |
24 |
#ifdef WITH_X11 |
364 |
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"XxY:" |
365 |
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#endif |
366 |
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"Z:z:"; |
367 |
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368 |
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while ((ch = getopt(argc, argv, opts)) != -1) { |
369 |
dpavlin |
2 |
switch (ch) { |
370 |
dpavlin |
34 |
case 'b': |
371 |
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|
native_code_translation_enabled = 1; |
372 |
|
|
break; |
373 |
|
|
case 'B': |
374 |
|
|
native_code_translation_enabled = 0; |
375 |
|
|
break; |
376 |
dpavlin |
2 |
case 'C': |
377 |
dpavlin |
42 |
CHECK_ALLOCATION(m->cpu_name = strdup(optarg)); |
378 |
dpavlin |
2 |
msopts = 1; |
379 |
|
|
break; |
380 |
dpavlin |
22 |
case 'c': |
381 |
|
|
emul->n_debugger_cmds ++; |
382 |
dpavlin |
42 |
CHECK_ALLOCATION(emul->debugger_cmds = |
383 |
|
|
realloc(emul->debugger_cmds, |
384 |
|
|
emul->n_debugger_cmds * sizeof(char *))); |
385 |
|
|
CHECK_ALLOCATION(emul->debugger_cmds[emul-> |
386 |
|
|
n_debugger_cmds-1] = strdup(optarg)); |
387 |
dpavlin |
22 |
break; |
388 |
dpavlin |
2 |
case 'D': |
389 |
dpavlin |
32 |
skip_srandom_call = 1; |
390 |
dpavlin |
2 |
break; |
391 |
|
|
case 'd': |
392 |
dpavlin |
4 |
/* diskimage_add() is called further down */ |
393 |
|
|
(*n_diskimagesp) ++; |
394 |
dpavlin |
42 |
CHECK_ALLOCATION( (*diskimagesp) = |
395 |
|
|
realloc(*diskimagesp, |
396 |
|
|
sizeof(char *) * (*n_diskimagesp)) ); |
397 |
|
|
CHECK_ALLOCATION( (*diskimagesp)[(*n_diskimagesp) - 1] = |
398 |
|
|
strdup(optarg) ); |
399 |
dpavlin |
2 |
using_switch_d = 1; |
400 |
|
|
msopts = 1; |
401 |
|
|
break; |
402 |
|
|
case 'E': |
403 |
dpavlin |
24 |
if (using_switch_E ++ > 0) { |
404 |
|
|
fprintf(stderr, "-E already used.\n"); |
405 |
|
|
exit(1); |
406 |
|
|
} |
407 |
dpavlin |
2 |
type = optarg; |
408 |
|
|
msopts = 1; |
409 |
|
|
break; |
410 |
|
|
case 'e': |
411 |
dpavlin |
24 |
if (using_switch_e ++ > 0) { |
412 |
|
|
fprintf(stderr, "-e already used.\n"); |
413 |
|
|
exit(1); |
414 |
|
|
} |
415 |
dpavlin |
2 |
subtype = optarg; |
416 |
|
|
msopts = 1; |
417 |
|
|
break; |
418 |
|
|
case 'H': |
419 |
|
|
machine_list_available_types_and_cpus(); |
420 |
|
|
exit(1); |
421 |
|
|
case 'h': |
422 |
|
|
usage(1); |
423 |
|
|
exit(1); |
424 |
|
|
case 'I': |
425 |
|
|
m->emulated_hz = atoi(optarg); |
426 |
|
|
msopts = 1; |
427 |
|
|
break; |
428 |
|
|
case 'i': |
429 |
|
|
m->instruction_trace = 1; |
430 |
|
|
msopts = 1; |
431 |
|
|
break; |
432 |
|
|
case 'J': |
433 |
dpavlin |
28 |
m->allow_instruction_combinations = 0; |
434 |
dpavlin |
2 |
msopts = 1; |
435 |
|
|
break; |
436 |
|
|
case 'j': |
437 |
dpavlin |
42 |
CHECK_ALLOCATION(m->boot_kernel_filename = |
438 |
|
|
strdup(optarg)); |
439 |
dpavlin |
2 |
msopts = 1; |
440 |
|
|
break; |
441 |
dpavlin |
34 |
case 'k': |
442 |
|
|
dyntrans_cache_size = atoi(optarg) * 1048576; |
443 |
|
|
if (dyntrans_cache_size < 1) { |
444 |
|
|
fprintf(stderr, "The dyntrans cache size must" |
445 |
|
|
" be at least 1 MB.\n"); |
446 |
|
|
exit(1); |
447 |
|
|
} |
448 |
|
|
break; |
449 |
dpavlin |
2 |
case 'K': |
450 |
|
|
force_debugger_at_exit = 1; |
451 |
|
|
break; |
452 |
|
|
case 'M': |
453 |
|
|
m->physical_ram_in_mb = atoi(optarg); |
454 |
|
|
msopts = 1; |
455 |
|
|
break; |
456 |
|
|
case 'N': |
457 |
|
|
m->show_nr_of_instructions = 1; |
458 |
|
|
msopts = 1; |
459 |
|
|
break; |
460 |
|
|
case 'n': |
461 |
|
|
m->ncpus = atoi(optarg); |
462 |
|
|
n_cpus_set = 1; |
463 |
|
|
msopts = 1; |
464 |
|
|
break; |
465 |
|
|
case 'O': |
466 |
|
|
m->force_netboot = 1; |
467 |
|
|
msopts = 1; |
468 |
|
|
break; |
469 |
|
|
case 'o': |
470 |
dpavlin |
42 |
CHECK_ALLOCATION(m->boot_string_argument = |
471 |
|
|
strdup(optarg)); |
472 |
dpavlin |
2 |
msopts = 1; |
473 |
|
|
break; |
474 |
|
|
case 'p': |
475 |
dpavlin |
42 |
machine_add_breakpoint_string(m, optarg); |
476 |
dpavlin |
2 |
msopts = 1; |
477 |
|
|
break; |
478 |
|
|
case 'Q': |
479 |
|
|
m->prom_emulation = 0; |
480 |
|
|
msopts = 1; |
481 |
|
|
break; |
482 |
|
|
case 'q': |
483 |
|
|
quiet_mode = 1; |
484 |
|
|
break; |
485 |
|
|
case 'R': |
486 |
|
|
m->use_random_bootstrap_cpu = 1; |
487 |
|
|
msopts = 1; |
488 |
|
|
break; |
489 |
|
|
case 'r': |
490 |
|
|
m->register_dump = 1; |
491 |
|
|
msopts = 1; |
492 |
|
|
break; |
493 |
|
|
case 'S': |
494 |
|
|
m->random_mem_contents = 1; |
495 |
|
|
msopts = 1; |
496 |
|
|
break; |
497 |
dpavlin |
28 |
case 's': |
498 |
|
|
machine_statistics_init(m, optarg); |
499 |
dpavlin |
34 |
native_code_translation_enabled = 0; |
500 |
dpavlin |
28 |
msopts = 1; |
501 |
|
|
break; |
502 |
dpavlin |
34 |
case 'T': |
503 |
|
|
m->halt_on_nonexistant_memaccess = 1; |
504 |
|
|
msopts = 1; |
505 |
|
|
break; |
506 |
dpavlin |
2 |
case 't': |
507 |
|
|
m->show_trace_tree = 1; |
508 |
|
|
msopts = 1; |
509 |
|
|
break; |
510 |
|
|
case 'U': |
511 |
|
|
m->slow_serial_interrupts_hack_for_linux = 1; |
512 |
|
|
msopts = 1; |
513 |
|
|
break; |
514 |
|
|
case 'u': |
515 |
dpavlin |
42 |
CHECK_ALLOCATION(m->userland_emul = strdup(optarg)); |
516 |
dpavlin |
2 |
m->machine_type = MACHINE_USERLAND; |
517 |
|
|
msopts = 1; |
518 |
|
|
break; |
519 |
|
|
case 'V': |
520 |
dpavlin |
26 |
single_step = ENTER_SINGLE_STEPPING; |
521 |
dpavlin |
2 |
break; |
522 |
|
|
case 'v': |
523 |
|
|
verbose ++; |
524 |
|
|
break; |
525 |
|
|
case 'W': |
526 |
|
|
internal_w(optarg); |
527 |
|
|
exit(0); |
528 |
|
|
case 'X': |
529 |
dpavlin |
42 |
m->x11_md.in_use = 1; |
530 |
dpavlin |
2 |
msopts = 1; |
531 |
dpavlin |
22 |
/* FALL-THROUGH */ |
532 |
dpavlin |
2 |
case 'x': |
533 |
|
|
console_allow_slaves(1); |
534 |
|
|
break; |
535 |
|
|
case 'Y': |
536 |
dpavlin |
42 |
m->x11_md.scaledown = atoi(optarg); |
537 |
|
|
if (m->x11_md.scaledown < -1) { |
538 |
|
|
m->x11_md.scaleup = - m->x11_md.scaledown; |
539 |
|
|
m->x11_md.scaledown = 1; |
540 |
dpavlin |
20 |
} |
541 |
dpavlin |
42 |
if (m->x11_md.scaledown < 1) { |
542 |
dpavlin |
4 |
fprintf(stderr, "Invalid scaledown value.\n"); |
543 |
|
|
exit(1); |
544 |
|
|
} |
545 |
dpavlin |
2 |
msopts = 1; |
546 |
|
|
break; |
547 |
|
|
case 'Z': |
548 |
|
|
m->n_gfx_cards = atoi(optarg); |
549 |
|
|
using_switch_Z = 1; |
550 |
|
|
msopts = 1; |
551 |
|
|
break; |
552 |
|
|
case 'z': |
553 |
dpavlin |
42 |
m->x11_md.n_display_names ++; |
554 |
|
|
CHECK_ALLOCATION(m->x11_md.display_names = realloc( |
555 |
|
|
m->x11_md.display_names, |
556 |
|
|
m->x11_md.n_display_names * sizeof(char *))); |
557 |
|
|
CHECK_ALLOCATION(m->x11_md.display_names[ |
558 |
|
|
m->x11_md.n_display_names-1] = strdup(optarg)); |
559 |
dpavlin |
2 |
msopts = 1; |
560 |
|
|
break; |
561 |
|
|
default: |
562 |
dpavlin |
10 |
fprintf(stderr, "Run %s -h for help on command " |
563 |
|
|
"line options.\n", progname); |
564 |
dpavlin |
2 |
exit(1); |
565 |
|
|
} |
566 |
|
|
} |
567 |
|
|
|
568 |
dpavlin |
12 |
if (type != NULL || subtype != NULL) { |
569 |
|
|
if (type == NULL) |
570 |
|
|
type = ""; |
571 |
dpavlin |
2 |
if (subtype == NULL) |
572 |
|
|
subtype = ""; |
573 |
|
|
res = machine_name_to_type(type, subtype, |
574 |
|
|
&m->machine_type, &m->machine_subtype, &m->arch); |
575 |
|
|
if (!res) |
576 |
|
|
exit(1); |
577 |
|
|
} |
578 |
|
|
|
579 |
|
|
argc -= optind; |
580 |
|
|
argv += optind; |
581 |
|
|
|
582 |
|
|
extra_argc = argc; |
583 |
|
|
extra_argv = argv; |
584 |
|
|
|
585 |
|
|
|
586 |
|
|
if (m->machine_type == MACHINE_NONE && msopts) { |
587 |
|
|
fprintf(stderr, "Machine specific options used directly on " |
588 |
|
|
"the command line, but no machine\nemulation specified?\n"); |
589 |
|
|
exit(1); |
590 |
|
|
} |
591 |
|
|
|
592 |
|
|
|
593 |
dpavlin |
12 |
/* -i and -r are pretty verbose: */ |
594 |
dpavlin |
2 |
|
595 |
|
|
if (m->instruction_trace && !verbose) { |
596 |
dpavlin |
4 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
597 |
|
|
" of -i\n", quiet_mode? "turning off -q and " : ""); |
598 |
dpavlin |
2 |
verbose = 1; |
599 |
|
|
quiet_mode = 0; |
600 |
|
|
} |
601 |
|
|
|
602 |
|
|
if (m->register_dump && !verbose) { |
603 |
dpavlin |
4 |
fprintf(stderr, "Implicitly %sturning on -v, because" |
604 |
|
|
" of -r\n", quiet_mode? "turning off -q and " : ""); |
605 |
dpavlin |
2 |
verbose = 1; |
606 |
|
|
quiet_mode = 0; |
607 |
|
|
} |
608 |
|
|
|
609 |
|
|
|
610 |
|
|
/* |
611 |
|
|
* Usually, an executable filename must be supplied. |
612 |
|
|
* |
613 |
|
|
* However, it is possible to boot directly from a harddisk image |
614 |
dpavlin |
4 |
* file. If no kernel is supplied, but a diskimage is being used, |
615 |
|
|
* then try to boot from disk. |
616 |
dpavlin |
2 |
*/ |
617 |
|
|
if (extra_argc == 0) { |
618 |
|
|
if (using_switch_d) { |
619 |
|
|
/* Booting directly from a disk image... */ |
620 |
|
|
} else { |
621 |
|
|
usage(0); |
622 |
|
|
fprintf(stderr, "\nNo filename given. Aborting.\n"); |
623 |
|
|
exit(1); |
624 |
|
|
} |
625 |
|
|
} else if (m->boot_kernel_filename[0] == '\0') { |
626 |
|
|
/* |
627 |
|
|
* Default boot_kernel_filename is "", which can be overriden |
628 |
|
|
* by the -j command line option. If it is still "" here, |
629 |
|
|
* and we're not booting directly from a disk image, then |
630 |
|
|
* try to set it to the last part of the last file name |
631 |
|
|
* given on the command line. (Last part = the stuff after |
632 |
|
|
* the last slash.) |
633 |
|
|
*/ |
634 |
|
|
char *s = extra_argv[extra_argc - 1]; |
635 |
|
|
char *s2; |
636 |
|
|
|
637 |
|
|
s2 = strrchr(s, '/'); |
638 |
|
|
if (s2 == NULL) |
639 |
|
|
s2 = s; |
640 |
|
|
else |
641 |
|
|
s2 ++; |
642 |
|
|
|
643 |
dpavlin |
42 |
CHECK_ALLOCATION(m->boot_kernel_filename = strdup(s2)); |
644 |
dpavlin |
2 |
} |
645 |
|
|
|
646 |
|
|
if (m->n_gfx_cards < 0 || m->n_gfx_cards > 3) { |
647 |
|
|
fprintf(stderr, "Bad number of gfx cards (-Z).\n"); |
648 |
|
|
exit(1); |
649 |
|
|
} |
650 |
|
|
|
651 |
dpavlin |
42 |
if (!using_switch_Z && !m->x11_md.in_use) |
652 |
dpavlin |
2 |
m->n_gfx_cards = 0; |
653 |
|
|
|
654 |
|
|
return 0; |
655 |
|
|
} |
656 |
|
|
|
657 |
|
|
|
658 |
|
|
/* |
659 |
|
|
* main(): |
660 |
|
|
* |
661 |
|
|
* Two kinds of emulations are started from here: |
662 |
|
|
* |
663 |
|
|
* o) Simple emulations, using command line arguments, compatible with |
664 |
|
|
* earlier version of GXemul/mips64emul. |
665 |
|
|
* |
666 |
|
|
* o) Emulations set up by parsing special config files. (0 or more.) |
667 |
|
|
*/ |
668 |
|
|
int main(int argc, char *argv[]) |
669 |
|
|
{ |
670 |
dpavlin |
32 |
/* Setting constants: */ |
671 |
|
|
const int constant_yes = 1; |
672 |
|
|
const int constant_true = 1; |
673 |
|
|
const int constant_no = 0; |
674 |
|
|
const int constant_false = 0; |
675 |
|
|
|
676 |
dpavlin |
2 |
struct emul **emuls; |
677 |
dpavlin |
4 |
char **diskimages = NULL; |
678 |
|
|
int n_diskimages = 0; |
679 |
dpavlin |
2 |
int n_emuls; |
680 |
|
|
int i; |
681 |
|
|
|
682 |
|
|
progname = argv[0]; |
683 |
|
|
|
684 |
dpavlin |
32 |
|
685 |
|
|
/* |
686 |
|
|
* Create the settings object, and add global settings to it: |
687 |
|
|
* |
688 |
|
|
* Read-only "constants": yes, no, true, false. |
689 |
|
|
* Global emulator settings: verbose, single_step, ... |
690 |
|
|
*/ |
691 |
dpavlin |
24 |
global_settings = settings_new(); |
692 |
|
|
|
693 |
dpavlin |
32 |
settings_add(global_settings, "yes", 0, SETTINGS_TYPE_INT, |
694 |
|
|
SETTINGS_FORMAT_YESNO, (void *)&constant_yes); |
695 |
|
|
settings_add(global_settings, "no", 0, SETTINGS_TYPE_INT, |
696 |
|
|
SETTINGS_FORMAT_YESNO, (void *)&constant_no); |
697 |
|
|
settings_add(global_settings, "true", 0, SETTINGS_TYPE_INT, |
698 |
|
|
SETTINGS_FORMAT_BOOL, (void *)&constant_true); |
699 |
|
|
settings_add(global_settings, "false", 0, SETTINGS_TYPE_INT, |
700 |
|
|
SETTINGS_FORMAT_BOOL, (void *)&constant_false); |
701 |
|
|
|
702 |
dpavlin |
34 |
/* Read-only settings: */ |
703 |
|
|
settings_add(global_settings, "native_code_translation_enabled", 0, |
704 |
|
|
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, |
705 |
|
|
(void *)&native_code_translation_enabled); |
706 |
dpavlin |
24 |
settings_add(global_settings, "single_step", 0, |
707 |
|
|
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&single_step); |
708 |
dpavlin |
34 |
|
709 |
|
|
/* Read/write settings: */ |
710 |
dpavlin |
24 |
settings_add(global_settings, "force_debugger_at_exit", 1, |
711 |
|
|
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, |
712 |
|
|
(void *)&force_debugger_at_exit); |
713 |
|
|
settings_add(global_settings, "verbose", 1, |
714 |
|
|
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&verbose); |
715 |
|
|
settings_add(global_settings, "quiet_mode", 1, |
716 |
|
|
SETTINGS_TYPE_INT, SETTINGS_FORMAT_YESNO, (void *)&quiet_mode); |
717 |
|
|
|
718 |
|
|
/* Initialize all emulator subsystems: */ |
719 |
dpavlin |
2 |
console_init(); |
720 |
|
|
cpu_init(); |
721 |
|
|
device_init(); |
722 |
|
|
machine_init(); |
723 |
dpavlin |
32 |
timer_init(); |
724 |
dpavlin |
2 |
useremul_init(); |
725 |
|
|
|
726 |
|
|
emuls = malloc(sizeof(struct emul *)); |
727 |
dpavlin |
42 |
CHECK_ALLOCATION(emuls); |
728 |
dpavlin |
2 |
|
729 |
|
|
/* Allocate space for a simple emul setup: */ |
730 |
|
|
n_emuls = 1; |
731 |
dpavlin |
34 |
emuls[0] = emul_new(NULL, 0); |
732 |
dpavlin |
32 |
settings_add(global_settings, "emul[0]", 1, |
733 |
|
|
SETTINGS_TYPE_SUBSETTINGS, 0, emuls[0]->settings); |
734 |
dpavlin |
2 |
|
735 |
dpavlin |
4 |
get_cmd_args(argc, argv, emuls[0], &diskimages, &n_diskimages); |
736 |
dpavlin |
2 |
|
737 |
dpavlin |
32 |
if (!skip_srandom_call) { |
738 |
|
|
struct timeval tv; |
739 |
|
|
gettimeofday(&tv, NULL); |
740 |
|
|
srandom(tv.tv_sec ^ getpid() ^ tv.tv_usec); |
741 |
dpavlin |
2 |
} |
742 |
|
|
|
743 |
|
|
/* Print startup message: */ |
744 |
|
|
debug("GXemul"); |
745 |
|
|
#ifdef VERSION |
746 |
dpavlin |
28 |
debug(" " VERSION); |
747 |
dpavlin |
2 |
#endif |
748 |
dpavlin |
34 |
debug(" Copyright (C) 2003-2007 Anders Gavare\n"); |
749 |
dpavlin |
2 |
debug("Read the source code and/or documentation for " |
750 |
|
|
"other Copyright messages.\n\n"); |
751 |
|
|
|
752 |
dpavlin |
32 |
if (emuls[0]->machines[0]->machine_type == MACHINE_NONE) { |
753 |
dpavlin |
2 |
n_emuls --; |
754 |
dpavlin |
32 |
} else { |
755 |
dpavlin |
4 |
for (i=0; i<n_diskimages; i++) |
756 |
|
|
diskimage_add(emuls[0]->machines[0], diskimages[i]); |
757 |
|
|
} |
758 |
dpavlin |
2 |
|
759 |
|
|
/* Simple initialization, from command line arguments: */ |
760 |
|
|
if (n_emuls > 0) { |
761 |
|
|
/* Make sure that there are no configuration files as well: */ |
762 |
|
|
for (i=1; i<argc; i++) |
763 |
|
|
if (argv[i][0] == '@') { |
764 |
|
|
fprintf(stderr, "You can either start one " |
765 |
|
|
"emulation with one machine directly from " |
766 |
|
|
"the command\nline, or start one or more " |
767 |
|
|
"emulations using configuration files." |
768 |
|
|
" Not both.\n"); |
769 |
|
|
exit(1); |
770 |
|
|
} |
771 |
|
|
|
772 |
|
|
/* Initialize one emul: */ |
773 |
|
|
emul_simple_init(emuls[0]); |
774 |
|
|
} |
775 |
|
|
|
776 |
|
|
/* Initialize emulations from config files: */ |
777 |
|
|
for (i=1; i<argc; i++) { |
778 |
|
|
if (argv[i][0] == '@') { |
779 |
dpavlin |
32 |
char tmpstr[50]; |
780 |
dpavlin |
2 |
char *s = argv[i] + 1; |
781 |
|
|
if (strlen(s) == 0 && i+1 < argc && |
782 |
|
|
argv[i+1][0] != '@') { |
783 |
|
|
i++; |
784 |
|
|
s = argv[i]; |
785 |
|
|
} |
786 |
|
|
n_emuls ++; |
787 |
dpavlin |
42 |
CHECK_ALLOCATION(emuls = realloc(emuls, |
788 |
|
|
sizeof(struct emul *) * n_emuls)); |
789 |
dpavlin |
2 |
|
790 |
|
|
/* Always allow slave xterms when using multiple |
791 |
|
|
emulations: */ |
792 |
|
|
console_allow_slaves(1); |
793 |
dpavlin |
22 |
|
794 |
dpavlin |
32 |
/* Destroy the temporary emuls[0], since it will |
795 |
|
|
be overwritten: */ |
796 |
|
|
if (n_emuls == 1) { |
797 |
|
|
emul_destroy(emuls[0]); |
798 |
|
|
settings_remove(global_settings, "emul[0]"); |
799 |
|
|
} |
800 |
|
|
|
801 |
dpavlin |
22 |
emuls[n_emuls - 1] = |
802 |
dpavlin |
34 |
emul_create_from_configfile(s, n_emuls - 1); |
803 |
dpavlin |
32 |
|
804 |
|
|
snprintf(tmpstr, sizeof(tmpstr), "emul[%i]", n_emuls-1); |
805 |
|
|
settings_add(global_settings, tmpstr, 1, |
806 |
|
|
SETTINGS_TYPE_SUBSETTINGS, 0, |
807 |
|
|
emuls[n_emuls-1]->settings); |
808 |
dpavlin |
2 |
} |
809 |
|
|
} |
810 |
|
|
|
811 |
|
|
if (n_emuls == 0) { |
812 |
dpavlin |
6 |
fprintf(stderr, "No emulations defined. Maybe you forgot to " |
813 |
dpavlin |
12 |
"use -E xx and/or -e yy, to specify\nthe machine type." |
814 |
|
|
" For example:\n\n %s -e 3max -d disk.img\n\n" |
815 |
dpavlin |
6 |
"to boot an emulated DECstation 5000/200 with a disk " |
816 |
|
|
"image.\n", progname); |
817 |
dpavlin |
2 |
exit(1); |
818 |
|
|
} |
819 |
|
|
|
820 |
|
|
device_set_exit_on_error(0); |
821 |
dpavlin |
22 |
console_warn_if_slaves_are_needed(1); |
822 |
dpavlin |
2 |
|
823 |
dpavlin |
32 |
|
824 |
dpavlin |
2 |
/* Run all emulations: */ |
825 |
|
|
emul_run(emuls, n_emuls); |
826 |
|
|
|
827 |
dpavlin |
32 |
|
828 |
|
|
/* |
829 |
|
|
* Deinitialize everything: |
830 |
|
|
*/ |
831 |
|
|
|
832 |
|
|
console_deinit(); |
833 |
|
|
|
834 |
|
|
for (i=0; i<n_emuls; i++) |
835 |
|
|
emul_destroy(emuls[i]); |
836 |
|
|
|
837 |
|
|
settings_remove_all(global_settings); |
838 |
dpavlin |
24 |
settings_destroy(global_settings); |
839 |
|
|
|
840 |
dpavlin |
2 |
return 0; |
841 |
|
|
} |
842 |
|
|
|